Envelop.



No. 7|2,465, Pehted'ct. 28, i902.

M. 4STORMFELS.

ENvELoP.

fApplication led Jan. 18, 1902.'.

" (No Model.)

'MZ' areejfari UNITED STATES` PATENT OFFICE.

MAEGAEETTE STORMFELS, OF ALLEGIIENY,` PENNSYLVANIA.

ENvELoP.

SPECIFICATIN forming part 'of Letters Patent No. 712,465, datedOctober 28, 1902.

Application filed January 18, 1902. Serial No. 90,242. (No model.) l

.'o .fr/Z whom t may concern.: e

Beit known that I, MARGAEETTE STORM- FELS, a citizen of the United States of Amer ica, residing `at Allegheny, in the county of tion.

`provide an envelop-blank that will beex tremely, simplein its construction, strong, durable, and comparatively inexpensive to manufacture.; furthermore, to provide au envelop of the above-described character that will be extremely simple indits construction when closed and that willl permit the same to be easily opened. .I I y The invention further telltale marks that maybe easily discovered. With the. above andother objectsv inview the invention consists in the novel construction, combination, and arrangement of parts to be hereinafter more particularly described, and specifically pointed out in the claim.

.I n describing the invention in-detail reference is `had to the accompanying drawings,N

forming a part yot' this specication, and

a.wherein like numerals of reference'indicate like partsthroughout the several views,fin VWhich Figure lA is a plan view of the front of the envelop-blank. Fig. 2 is a front View of the envelop vas it appears when the side flaps and lower iiap are secured in position. Fig. 3 is a similar View showing the front of the envelop when sealed. Fig. 4 is a detail rear view of the lower' iiap; e n

In the drawings the -body portion 1 of the envelop carries side flaps2 and' 3, and the lower i-ap 4'is also a portion of the body por- The securing-flap 5 extends upwardly from the-bodyportion andhas slits 6 formed therein, which extend through the upper edge Aof the securing-nap. The rear face of the iiap 4 is gummed, as indicated at '7, and the Y aims to provide;anl `envelop that when tampered with will leave front face of the side flap 3 is also gummed, as shown at 8. The outer face of the slits is also gummed, as indicated at 9.

1 The manner of folding my improvedenvelop is as follows: The l'lap 4 is folded upward and the letter or papers inserted. Then the iiap 2 is folded over the flap 4, engaging the'gummed edge 7. Th'e flap 3 is then folded over, the gummed edge 8 engaging the iiap.

The securing-flap is then secured in position, and the envelop is securely sealed.

`It will be noted that various changes may be made in the details of construction of my improved envelop without departing from the ge'neral spirit of my invention.

`Having fully described my invention, what I claim as new, and desire-to secure by Letters Patent, is- I.

In an envelop, the combination of a body portion carrying an imperforate lower iiap havin-g its rear face gu'mxed, imperforate 1 side aps carri'ed by the bddyportion with `one of said side flaps having its front face gummed, a. securing-,flap having its front face gummed and havinga seriestof slits therein extending through the upper edge of said nap forming aseries of independent tongues, the

Vlower Hap being folded upwardly into position and having a portion of its rear gummed face engaged by the front face of the ungummed side Hap, the remaining portion of the said gummed face of the lower liap being engaged by theront face of the other of said e side naps, the gummed face of said lastnamed side flap engaging the rear face of the I first-named side Iiap, the side iaps engaging and extending onto the upper portion of the "lower iiap throughout the length thereof, both curing-nap which are received directly upon said rear faces of the side iiaps and which have their outer facesentirely exposed, sub- MARGARETTE i STORMFELS.

Witnesses:

JOHN NOLAND, H. C. EvERT. 

